diff --git a/how-to-use-azureml/ml-frameworks/fastai/fastai-with-custom-docker/fastai-with-custom-docker.ipynb b/how-to-use-azureml/ml-frameworks/fastai/fastai-with-custom-docker/fastai-with-custom-docker.ipynb
index aaef2d82..d70ba867 100644
--- a/how-to-use-azureml/ml-frameworks/fastai/fastai-with-custom-docker/fastai-with-custom-docker.ipynb
+++ b/how-to-use-azureml/ml-frameworks/fastai/fastai-with-custom-docker/fastai-with-custom-docker.ipynb
@@ -163,7 +163,7 @@
       "metadata": {},
       "outputs": [],
       "source": [
-        "fastai_env.docker.base_image = \"fastdotai/fastai:latest\"\n",
+        "fastai_env.docker.base_image = \"fastdotai/fastai:2021-02-11\"\n",
         "fastai_env.python.user_managed_dependencies = True"
       ]
     },